[pulseaudio-discuss] [RFC v1 04/14] bluetooth: Support Properties.PropertiesChanged signal
Mikel Astiz
mikel.astiz.oss at gmail.com
Mon Jan 14 07:41:28 PST 2013
From: Mikel Astiz <mikel.astiz at bmw-carit.de>
Install matches for signal Properties.PropertiesChanged and process the
properties corresponding to the tracked devices.
---
src/modules/bluetooth/bluetooth-util.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c
index 9abd264..2073418 100644
--- a/src/modules/bluetooth/bluetooth-util.c
+++ b/src/modules/bluetooth/bluetooth-util.c
@@ -1239,6 +1239,33 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ } else if (dbus_message_is_signal(m, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
+ DBusMessageIter arg_i;
+ const char *interface;
+
+ if (y->version != BLUEZ_VERSION_5)
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; /* No reply received yet from GetManagedObjects */
+
+ if (!dbus_message_iter_init(m, &arg_i) || !pa_streq(dbus_message_get_signature(m), "sa{sv}as")) {
+ pa_log("Invalid signature found in PropertiesChanged");
+ goto fail;
+ }
+
+ dbus_message_iter_get_basic(&arg_i, &interface);
+
+ pa_assert_se(dbus_message_iter_next(&arg_i));
+ pa_assert(dbus_message_iter_get_arg_type(&arg_i) == DBUS_TYPE_ARRAY);
+
+ if (pa_streq(interface, "org.bluez.Device1")) {
+ pa_bluetooth_device *d;
+
+ if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(m))))
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; /* Device not being tracked */
+
+ parse_device_properties(d, &arg_i);
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
fail:
@@ -1894,6 +1921,8 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
"type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.freedesktop.DBus.ObjectManager',member='InterfacesAdded'",
"type='signal',sender='org.bluez',interface='org.freedesktop.DBus.ObjectManager',member='InterfacesRemoved'",
+ "type='signal',sender='org.bluez',interface='org.freedesktop.DBus.Properties',member='PropertiesChanged'"
+ ",arg0='org.bluez.Device1'",
NULL) < 0) {
pa_log("Failed to add D-Bus matches: %s", err.message);
goto fail;
--
1.7.11.7
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